Mirrors/Stirling-PDF
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extract and apply the image orientation from exif data in imageToPdf (#2073)

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Eric 2024-10-23 07:17:40 -04:00 committed by GitHub
parent bac81c930d
commit e0b77ca274
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9 changed files with 93 additions and 33 deletions
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3
build.gradle
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@ -179,6 +179,9 @@ dependencies {
runtimeOnly "com.twelvemonkeys.imageio:imageio-webp:$imageioVersion"
// runtimeOnly "com.twelvemonkeys.imageio:imageio-xwd:$imageioVersion"
// Image metadata extractor
implementation "com.drewnoakes:metadata-extractor:2.19.0"
implementation "commons-io:commons-io:2.17.0"
implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0"
//general PDF

4
src/main/java/stirling/software/SPDF/EE/EEAppConfig.java
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@ -1,7 +1,5 @@
package stirling.software.SPDF.EE;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@ -20,6 +18,6 @@ public class EEAppConfig {
@Bean(name = "runningEE")
public boolean runningEnterpriseEdition() {
return licenseKeyChecker.getEnterpriseEnabledResult();
return licenseKeyChecker.getEnterpriseEnabledResult();
}
}

4
src/main/java/stirling/software/SPDF/config/InitialSetup.java
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@ -9,6 +9,7 @@ import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import io.micrometer.common.util.StringUtils;
import jakarta.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import stirling.software.SPDF.model.ApplicationProperties;
@ -59,7 +60,4 @@ public class InitialSetup {
applicationProperties.getLegal().setPrivacyPolicy(defaultPrivacyUrl);
}
}
}

3
src/main/java/stirling/software/SPDF/config/security/SecurityConfiguration.java
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@ -203,7 +203,8 @@ public class SecurityConfiguration {
}
// Handle SAML
if (applicationProperties.getSecurity().isSaml2Activ() && applicationProperties.getSystem().getEnableAlphaFunctionality()) {
if (applicationProperties.getSecurity().isSaml2Activ()
&& applicationProperties.getSystem().getEnableAlphaFunctionality()) {
http.authenticationProvider(samlAuthenticationProvider());
http.saml2Login(
saml2 ->

9
src/main/java/stirling/software/SPDF/config/security/UserService.java
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@ -45,7 +45,6 @@ public class UserService implements UserServiceInterface {
@Autowired DatabaseBackupInterface databaseBackupHelper;
// Handle OAUTH2 login and user auto creation.
public boolean processOAuth2PostLogin(String username, boolean autoCreateUser)
throws IllegalArgumentException, IOException {
@ -360,8 +359,8 @@ public class UserService implements UserServiceInterface {
}
}
@Override
public long getTotalUsersCount() {
return userRepository.count();
}
@Override
public long getTotalUsersCount() {
return userRepository.count();
}
}

9
src/main/java/stirling/software/SPDF/service/PostHogService.java
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@ -29,12 +29,12 @@ public class PostHogService {
private final ApplicationProperties applicationProperties;
private final UserServiceInterface userService;
@Autowired
public PostHogService(
PostHog postHog,
@Qualifier("UUID") String uuid,
ApplicationProperties applicationProperties, @Autowired(required = false) UserServiceInterface userService) {
ApplicationProperties applicationProperties,
@Autowired(required = false) UserServiceInterface userService) {
this.postHog = postHog;
this.uniqueId = uuid;
this.applicationProperties = applicationProperties;
@ -138,9 +138,8 @@ public class PostHogService {
}
metrics.put("application_properties", captureApplicationProperties());
if(userService != null) {
metrics.put("total_users_created", userService.getTotalUsersCount());
if (userService != null) {
metrics.put("total_users_created", userService.getTotalUsersCount());
}
} catch (Exception e) {

81
src/main/java/stirling/software/SPDF/utils/ImageProcessingUtils.java
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@ -1,30 +1,46 @@
package stirling.software.SPDF.utils;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferInt;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import javax.imageio.ImageIO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.multipart.MultipartFile;
import com.drew.imaging.ImageMetadataReader;
import com.drew.imaging.ImageProcessingException;
import com.drew.metadata.Metadata;
import com.drew.metadata.MetadataException;
import com.drew.metadata.exif.ExifSubIFDDirectory;
public class ImageProcessingUtils {
private static final Logger logger = LoggerFactory.getLogger(PdfUtils.class);
static BufferedImage convertColorType(BufferedImage sourceImage, String colorType) {
BufferedImage convertedImage;
switch (colorType) {
case "greyscale":
convertedImage =
new BufferedImage(
sourceImage.getWidth(),
sourceImage.getHeight(),
BufferedImage.TYPE_BYTE_GRAY);
convertedImage = new BufferedImage(
sourceImage.getWidth(),
sourceImage.getHeight(),
BufferedImage.TYPE_BYTE_GRAY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
case "blackwhite":
convertedImage =
new BufferedImage(
sourceImage.getWidth(),
sourceImage.getHeight(),
BufferedImage.TYPE_BYTE_BINARY);
convertedImage = new BufferedImage(
sourceImage.getWidth(),
sourceImage.getHeight(),
BufferedImage.TYPE_BYTE_BINARY);
convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
break;
default: // full color
@ -59,4 +75,49 @@ public class ImageProcessingUtils {
return data;
}
}
public static double extractImageOrientation(InputStream is) throws IOException {
try {
Metadata metadata = ImageMetadataReader.readMetadata(is);
ExifSubIFDDirectory directory = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
if (directory == null) {
return 0;
}
int orientationTag = directory.getInt(ExifSubIFDDirectory.TAG_ORIENTATION);
switch (orientationTag) {
case 1:
return 0;
case 6:
return 90;
case 3:
return 180;
case 8:
return 270;
default:
logger.warn("Unknown orientation tag: {}", orientationTag);
return 0;
}
} catch (ImageProcessingException | MetadataException e) {
return 0;
}
}
public static BufferedImage applyOrientation(BufferedImage image, double orientation) {
if (orientation == 0) {
return image;
}
AffineTransform transform = AffineTransform.getRotateInstance(
Math.toRadians(orientation),
image.getWidth() / 2.0,
image.getHeight() / 2.0);
AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
return op.filter(image, null);
}
public static BufferedImage loadImageWithExifOrientation(MultipartFile file)
throws IOException {
BufferedImage image = ImageIO.read(file.getInputStream());
double orientation = extractImageOrientation(file.getInputStream());
return applyOrientation(image, orientation);
}
}

5
src/main/java/stirling/software/SPDF/utils/PdfUtils.java
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@ -194,7 +194,8 @@ public class PdfUtils {
pdfDocument.close();
// Assumes the expectedPageSize is in the format "widthxheight", e.g. "595x842" for A4
// Assumes the expectedPageSize is in the format "widthxheight", e.g. "595x842"
// for A4
String[] dimensions = expectedPageSize.split("x");
float expectedPageWidth = Float.parseFloat(dimensions[0]);
float expectedPageHeight = Float.parseFloat(dimensions[1]);
@ -407,7 +408,7 @@ public class PdfUtils {
addImageToDocument(doc, pdImage, fitOption, autoRotate);
}
} else {
BufferedImage image = ImageIO.read(file.getInputStream());
BufferedImage image = ImageProcessingUtils.loadImageWithExifOrientation(file);
BufferedImage convertedImage =
ImageProcessingUtils.convertColorType(image, colorType);
// Use JPEGFactory if it's JPEG since JPEG is lossy